Accident High Severity Resolved

CHP : Severe traffic alert and Traffic Collision on US-101 Northbound south of Holly St (San Carlos). Left lane blocked. Expect delays.

A high-severity accident was reported on US-101 N near San Mateo on September 12, 2026 at 7:54 PM.

Road

US-101 N

Area

San Mateo

Address

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Started

Sep 12, 12:54 PM

Last Updated

1 month, 2 weeks ago

Sep 12, 1:30 PM

Resolved

Sep 12, 7:30 PM

Coordinates

37.5139, -122.2562

Update History

2 observations

CHP : Severe traffic alert and Traffic Collision on US-101 Northbound south of Holly St (San Carlos). Left lane blocked. Expect delays. Sep 12, 1:00 PM

CHP : Traffic Collision on US-101 Northbound south of Redwood Shores Pky (San Carlos). Lane affected. Expect delays. Sep 12, 12:45 PM

Source: 511_sfbay · ID 511.org/1548502 First seen Sep 12, 2026 12:45 PM

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